You need to have a wireless connection established in your HDTV before connection will work.
Although you do not need an HDTV for an Xbox360 to work you will need an HDTV to be able to get the most resolution out of your Xbox
The TV with a large screen came before HDTV ever came out. I have an Old Projection TV that is over 25 years old that is kept in the basement. Most new TVs are made with HDTV, but they do not need HD programming and can receive standard 480i shows on a HDTV.
You will need an antenna and a HDTV with a tuner built in. You will then get your local channels in HD.
No.
No, you do not need a separate HDTV antenna unless you are using the antenna to get your channels. If you have cable TV, then the antenna is not necessary.
Plasma and HDTV are not comparable since Plasma is a type of screen and HDTV is a type of video. Meaning that a Plasma TV can run HDTV on it, so there is no need to compare the two.
No. It looks better if you buy extra cords to hook it up to a HDTV, but no.
If the TV is a HDTV and there are HDTV stations near by you won't need a converter box.
No
You need an HDTV for it to work and the TV has to have an HDMI connection. Then you need to turn your HDTV to the location for the HDMI that was connected
No, you do not need a professional to set up a RCA HDTV. They are fairly easy to install.